CMUS00017E Unable to start Global Mirror session.
Explanation
The graphical user interface reports an unknown error returned from the
management console server. The Global Mirror session does not start.
Action
Contact IBM technical support for assistance.
CMUS00018E Invalid session number.
Explanation
A session number must be a two-character hexadecimal number in the range (00 -
FF).
Action
Enter a valid two-character hexadecimal number.
CMUS00019E The management console server rejects the options you
selected.
Explanation
You have selected options that should be valid, but the management console server
does not accept all of the options. This might be because of one of the following
reasons:
v The management console server software is not the latest version.
v The storage unit microcode is not the latest version.
v An unknown internal error has occurred.
Action
Ensure that the latest version of all software and microcode is installed. If the
problem persists, contact IBM technical support for assistance.
CMUS00020E Inhibit writes to target volume option: no valid value
selected
Explanation
No valid value is selected for the Inhibit writes to target volume option. You must
select either Enable all or Disable all.
Action
Select either Enable all or Disable all, and then resubmit the task.
Chapter 4. DS Storage Manager Copy Services messages 123